1798724 has 6 divisors (see below), whose sum is σ = 3147774. Its totient is φ = 899360.

The previous prime is 1798723. The next prime is 1798729. The reversal of 1798724 is 4278971.

It can be written as a sum of positive squares in only one way, i.e., 1517824 + 280900 = 1232^2 + 530^2 .

It is not an unprimeable number, because it can be changed into a prime (1798721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224837 + ... + 224844.

It is an arithmetic number, because the mean of its divisors is an integer number (524629).

2^1798724 is an apocalyptic number.

It is an amenable number.

1798724 is a deficient number, since it is larger than the sum of its proper divisors (1349050).

1798724 is a wasteful number, since it uses less digits than its factorization.

1798724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449685 (or 449683 counting only the distinct ones).

The product of its digits is 28224, while the sum is 38.

The square root of 1798724 is about 1341.1651650710. The cubic root of 1798724 is about 121.6152890806.

The spelling of 1798724 in words is "one million, seven hundred ninety-eight thousand, seven hundred twenty-four".